Distance From River Highlands Ranch Airport to Yokota Air Base

The distance from River Highlands Ranch Airport () to Yokota Air Base (OKO) is 5150 miles or 8288 kilometers or 4472 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Grass Valley ( United States ) to Fussa ( Japan )?

A one-way nonstop (direct) flight between Grass Valley and Fussa takes around 11 hours 50 minutes.

Estimated flight time from River Highlands Ranch Airport, Grass Valley, United States to Yokota Air Base, Fussa, Japan is 11 hours 50 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • - OKO

Kilometers		8288 km
Statute Miles		5150 miles
Nautical Miles		4472 nm
Avg. Time of Flight		11 hours 50 minutes

River Highlands Ranch Airport to Yokota Air Base Flight Route Map - to OKO Flight Path

Location of River Highlands Ranch Airport & Yokota Air Base is given below.
Click the map to view Grass Valley to Fussa nonstop flight path and travel direction.

Click to see flight route on Google Map between Grass Valley, United States and Fussa, Japan. .

Nonstop flight route between Grass Valley, United States and Fussa, Japan.

Time Difference Between the Airports • - OKO

Time difference between Grass Valley (United States) and Fussa (Japan) is 16 Hours.
Fussa time is 16 Hours ahead of Grass Valley.

Location	Local Time
Grass Valley (United States)	2026-09-16, 22:29:28 PDT
Fussa (Japan)	2026-09-17, 14:29:28 JST

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

River Highlands Ranch Airport ( / CN86) Grass Valley, United States

Destination

Yokota Air Base (OKO / RJTY) Fussa, Japan